doohickey

noun doo·hick·ey \ˈdü-ˌhi-kē\

: an object or device whose name you do not know or have forgotten

plural doo·hickeys also doo·hickies

Full Definition of DOOHICKEY

: doodad 2

See doohickey defined for English-language learners

probably from doodad + hickey

First Known Use: 1914

Synonyms: dingus, doodad, hickey, thingamabob, thingamajig (or thingumajig), thingummy, whatchamacallit, whatnot, whatsit (also whatsis or what-is-it)

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